Zeugswetter Andreas SB <ZeugswetterA(at)wien(dot)spardat(dot)at> writes:
>> If there are no more records, then you are reduced to guessing whether
>> you have to undo the rename or not. If you guess wrong, you leave the
>> database in a corrupted state.
> If the original filename exists the rename failed else it succeeded.
That's exactly the unreliable assumption I do not want to make.
> The backends could not have created a new file of the old name
> after "starting rename" beeing last log record.
So you're assuming that we fsync() the log after *each* item is added?
*Within* a transaction? fsync only at end of xact was the plan,
I believe.
regards, tom lane